:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #5e625f;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --line: #d9d5cc;
  --accent: #006b66;
  --accent-strong: #004f4b;
  --clay: #9b4d31;
  --blue: #245f93;
  --shade: #ece8df;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: #fff;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(23, 23, 23, 0.12);
  background: rgba(251, 250, 247, 0.92);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(var(--max), calc(100% - 32px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.85rem;
  font-size: 0.96rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.7rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.hero {
  width: min(var(--max), calc(100% - 32px));
  min-height: calc(100svh - 68px);
  margin: 0 auto;
  padding: clamp(48px, 8vw, 108px) 0 clamp(36px, 5vw, 64px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.72fr);
  gap: clamp(32px, 7vw, 88px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--clay);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.6rem);
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.lead {
  max-width: 720px;
  margin: 1.4rem 0 0;
  color: #343735;
  font-size: clamp(1.18rem, 2vw, 1.55rem);
}

.hero-summary {
  max-width: 720px;
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.portrait-wrap {
  align-self: stretch;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.portrait {
  width: 100%;
  max-height: min(72svh, 760px);
  aspect-ratio: 0.78;
  object-fit: cover;
  object-position: center top;
  border-radius: 8px;
  box-shadow: 0 22px 60px rgba(23, 23, 23, 0.16);
}

.band {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.band.alt {
  background: var(--shade);
}

.section {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(56px, 8vw, 92px) 0;
}

.section-heading {
  max-width: 820px;
}

.section-heading p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.panel {
  min-height: 100%;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.panel p {
  margin: 0;
  color: var(--muted);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.timeline {
  display: grid;
  gap: 1rem;
  max-width: 100%;
  margin: 1.4rem 0 0;
}

.timeline .panel {
  background: #fff;
}

.timeline .eyebrow {
  margin-bottom: 0.55rem;
}

.case-study {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.case-study p {
  color: var(--muted);
  font-size: 1.08rem;
}

.case-study ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.case-study li {
  padding: 0.9rem 1rem;
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.72);
}

.story-split {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(320px, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
}

.story-split p {
  margin-top: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.source-note {
  color: #6f746f;
  font-size: 0.9rem;
}

.article-card {
  margin-top: 2rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 2rem;
  align-items: center;
}

.article-card .meta {
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
}

.article-card h3 {
  margin-top: 0.4rem;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.article-card p {
  color: var(--muted);
}

.diagram {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.page-hero {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) 0 clamp(36px, 6vw, 72px);
}

.page-hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.8rem);
}

.page-hero p {
  max-width: 760px;
}

.content {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 clamp(64px, 9vw, 112px);
}

.content > * {
  max-width: 760px;
}

.content h2 {
  margin-top: 3.2rem;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

.content h3 {
  margin-top: 2rem;
}

.content p,
.content li {
  color: #333735;
  font-size: 1.04rem;
}

.content blockquote {
  margin: 2rem 0;
  padding: 0.2rem 0 0.2rem 1.2rem;
  border-left: 4px solid var(--accent);
  color: var(--ink);
  font-size: 1.15rem;
}

.content pre {
  overflow-x: auto;
  padding: 1rem;
  border-radius: 8px;
  background: #161a1c;
  color: #f6f4ee;
}

.content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.content :not(pre) > code {
  padding: 0.1rem 0.28rem;
  border-radius: 4px;
  background: #eee9df;
}

.content table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 1.4rem 0;
  font-size: 0.94rem;
}

.content th,
.content td {
  padding: 0.65rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.content img {
  max-width: 100%;
  margin: 2rem 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: #f8f4ec;
}

.footer-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 2rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-inner a {
  color: #f8f4ec;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .portrait-wrap {
    min-height: 0;
  }

  .portrait {
    max-height: 620px;
  }

  .grid,
  .proof-grid,
  .article-card,
  .case-study,
  .story-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .nav {
    align-items: flex-start;
    padding: 0.9rem 0;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
    gap: 0.75rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }
}